<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <!-- import CSS -->
    <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
    <style>
        .el-col {
            border-radius: 4px;
        }
        .bg-purple-dark {
            background: #99a9bf;
        }
        .bg-purple {
            background: #d3dce6;
        }
        .bg-purple-light {
            background: #e5e9f2;
        }
        .grid-content {
            border-radius: 4px;
            min-height: 36px;
        }
    </style>
</head>

<body>
<div id="app">
    <el-row :gutter="10">
        <el-col :xs="8" :sm="6" :md="4" :lg="3" :xl="1"><div class="grid-content bg-purple"></div></el-col>
        <el-col :xs="4" :sm="6" :md="8" :lg="9" :xl="11"><div class="grid-content bg-purple-light"></div></el-col>
        <el-col :xs="4" :sm="6" :md="8" :lg="9" :xl="11"><div class="grid-content bg-purple"></div></el-col>
        <el-col :xs="8" :sm="6" :md="4" :lg="3" :xl="1"><div class="grid-content bg-purple-light"></div></el-col>
    </el-row>
</div>
</body>
<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
    let v = new Vue({
        el: '#app',
        data: function() {
            return {

            }
        },
        methods: {

        },
    })
</script>
</html>